EP3786231B1 - Particules composites à libération prolongée, procédé de production de particules composites à libération prolongée, poudre sèche et papier peint - Google Patents

Particules composites à libération prolongée, procédé de production de particules composites à libération prolongée, poudre sèche et papier peint

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Publication number
EP3786231B1
EP3786231B1 EP19791773.5A EP19791773A EP3786231B1 EP 3786231 B1 EP3786231 B1 EP 3786231B1 EP 19791773 A EP19791773 A EP 19791773A EP 3786231 B1 EP3786231 B1 EP 3786231B1
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EP
European Patent Office
Prior art keywords
composite particles
cellulose
polymer
micronized cellulose
sustained
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19791773.5A
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German (de)
English (en)
Other versions
EP3786231A1 (fr
EP3786231A4 (fr
Inventor
Yumi Hayashi
Atsuko Aoki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toppan Inc
Original Assignee
Toppan Printing Co Ltd
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Application filed by Toppan Printing Co Ltd filed Critical Toppan Printing Co Ltd
Publication of EP3786231A1 publication Critical patent/EP3786231A1/fr
Publication of EP3786231A4 publication Critical patent/EP3786231A4/fr
Application granted granted Critical
Publication of EP3786231B1 publication Critical patent/EP3786231B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/26—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C08J3/126—Polymer particles coated by polymer, e.g. core shell structures
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/72—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms
    • A01N43/80—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with nitrogen atoms and oxygen or sulfur atoms as ring hetero atoms five-membered rings with one nitrogen atom and either one oxygen atom or one sulfur atom in positions 1,2
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
    • A01N57/14—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing aromatic radicals
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/32—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers, poly(meth)acrylates, or polyvinyl pyrrolidone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • A61K47/38—Cellulose; Derivatives thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5026—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5036—Polysaccharides, e.g. gums, alginate; Cyclodextrin
    • A61K9/5042—Cellulose; Cellulose derivatives, e.g. phthalate or acetate succinate esters of hydroxypropyl methylcellulose
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5089—Processes
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/02—Oxycellulose; Hydrocellulose; Cellulosehydrate, e.g. microcrystalline cellulose
    • C08B15/04—Carboxycellulose, e.g. prepared by oxidation with nitrogen dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F112/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F112/34—Monomers containing two or more unsaturated aliphatic radicals
    • C08F112/36—Divinylbenzene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
    • C08H8/00—Macromolecular compounds derived from lignocellulosic materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02—Cellulose; Modified cellulose
    • C08L1/04—Oxycellulose; Hydrocellulose, e.g. microcrystalline cellulose
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/02—Cellulose; Modified cellulose
    • C09D101/04—Oxycellulose; Hydrocellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/16—Biodegradable polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2333/06—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2333/08—Homopolymers or copolymers of acrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2401/02—Cellulose; Modified cellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2401/02—Cellulose; Modified cellulose
    • C08J2401/04—Oxycellulose; Hydrocellulose

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  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Wood Science & Technology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pest Control & Pesticides (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Agronomy & Crop Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Materials Engineering (AREA)
  • Toxicology (AREA)
  • Inorganic Chemistry (AREA)
  • Biochemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)

Claims (14)

  1. Particules composites à libération prolongée comprenant des particules de noyau contenant au moins un type de polymère et au moins un type de composant fonctionnel, et de la cellulose micronisée revêtant au moins une partie de la surface des particules de noyau, les particules de noyau et la cellulose micronisée étant inséparables l'une de l'autre, dans lesquelles la cellulose micronisée est une cellulose fibreuse présentant un diamètre moyen en nombre du petit axe dans une plage de 1 nm ou plus et de 1000 nm ou moins, tel que déterminé selon la description,
    caractérisées en ce qu'au moins une partie de la cellulose micronisée est cristallisée, et un groupe fonctionnel anionique est introduit via une modification chimique sur la surface cristalline de la cellulose micronisée.
  2. Particules composites à libération prolongée selon la revendication 1, dans lesquelles le composant fonctionnel est au moins un parmi un agent antifongique, un parfum, un engrais, un agent d'ajustement du pH, un pesticide, un activateur végétal, un prolongateur de vie des plantes, un répulsif contre les nuisibles et les animaux, un pénétrant du sol, un composant nutritif, une hormone végétale et une substance antibactérienne.
  3. Particules composites à libération prolongée selon la revendication 1, dans lesquelles le composant fonctionnel est un réactif vis-à-vis du formaldéhyde, lequel réactif vis-à-vis du formaldéhyde présente de préférence une réactivité avec le formaldéhyde, et ne présente pas au moins un parmi un groupe amino et un groupe dans lequel un groupe amino forme un sel.
  4. Particules composites à libération prolongée selon l'une quelconque des revendications 1 à 3, dans lesquelles le polymère est obtenu par polymérisation d'un monomère présentant un groupe vinyle.
  5. Particules composites à libération prolongée selon l'une quelconque des revendications 1 à 4, dans lesquelles le polymère est obtenu par polymérisation d'un monomère présentant un groupe (méth)acrylique.
  6. Particules composites à libération prolongée selon l'une quelconque des revendications 1 à 5, dans lesquelles le polymère est obtenu par polymérisation d'un monomère polyfonctionnel présentant deux groupes fonctionnels polymérisables ou plus.
  7. Particules composites à libération prolongée selon la revendication 6, dans lesquelles au moins un des deux groupes fonctionnels polymérisables ou plus contenus dans le monomère polyfonctionnel est un groupe vinyle, dans lequel le monomère polyfonctionnel est de préférence le divinylbenzène.
  8. Particules composites à libération prolongée selon la revendication 6, dans lesquelles au moins un des deux groupes fonctionnels polymérisables ou plus contenus dans le monomère polyfonctionnel est un groupe (méth)acrylique.
  9. Particules composites à libération prolongée selon l'une quelconque des revendications 1 à 3, dans lesquelles le polymère est un polymère biodégradable, la biodégradabilité étant évaluée selon la description.
  10. Poudre sèche comprenant les particules composites à libération prolongée selon l'une quelconque des revendications 1 à 9, dans laquelle la poudre sèche présente de préférence une teneur en matières solides de 80 % ou plus.
  11. Procédé de production de particules composites à libération prolongée telles que définies dans l'une quelconque des revendications 1 à 9, comprenant :
    l'étape a1 de défibrer une matière première cellulosique dans un solvant pour obtenir une dispersion de cellulose micronisée ;
    l'étape a2 de préparer un mélange de monomères contenant au moins un type de monomère polymérisable et au moins un type de composant fonctionnel ;
    l'étape a3 de revêtir, avec la cellulose micronisée, au moins une partie de la surface de gouttelettes de monomère polymérisable composées du mélange de monomères contenant le monomère polymérisable et le composant fonctionnel dans la dispersion de la cellulose micronisée afin de stabiliser les gouttelettes de monomère polymérisable en tant qu'émulsion ; et
    l'étape a4 de polymériser les gouttelettes de monomère polymérisable dans un état dans lequel au moins une partie de la surface des gouttelettes de monomère polymérisable est revêtue de la cellulose micronisée pour former des particules de noyau contenant un polymère et le composant fonctionnel, revêtant ainsi au moins une partie de la surface des particules de noyau avec la cellulose micronisée, et rendant les particules de noyau et la cellulose micronisée inséparables l'une de l'autre.
  12. Procédé de production de particules composites à libération prolongée telles que définies dans l'une quelconque des revendications 1 à 9, comprenant :
    l'étape b1 de fibriller une matière première cellulosique dans un solvant pour obtenir une dispersion de cellulose micronisée ;
    l'étape b2 de préparer une solution de polymère par ajout et dissolution d'au moins un type de polymère et d'au moins un type de composant fonctionnel dans un solvant organique apte à dissoudre le polymère ;
    l'étape b3 de revêtir, avec la cellulose micronisée, au moins une partie de la surface de gouttelettes de polymère composées de la solution de polymère contenant le polymère, le composant fonctionnel et le solvant organique dans la dispersion de la cellulose micronisée afin de stabiliser les gouttelettes de polymère en tant qu'émulsion ; et
    l'étape b4 d'éliminer le solvant organique contenu dans les gouttelettes de polymère pour solidifier le polymère dans un état dans lequel au moins une partie de la surface des gouttelettes de polymère est revêtue de la cellulose micronisée pour former des particules de noyau contenant le polymère et le composant fonctionnel, revêtant ainsi au moins une partie de la surface des particules de noyau avec la cellulose micronisée, et rendant les particules de noyau et la cellulose micronisée inséparables l'une de l'autre.
  13. Procédé de production de particules composites à libération prolongée selon la revendication 11 ou 12, dans lequel le composant fonctionnel est un réactif vis-à-vis du formaldéhyde.
  14. Papier peint comprenant les particules composites à libération prolongée selon l'une quelconque des revendications 1 à 9.
EP19791773.5A 2018-04-27 2019-04-26 Particules composites à libération prolongée, procédé de production de particules composites à libération prolongée, poudre sèche et papier peint Active EP3786231B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018087499 2018-04-27
JP2018087498 2018-04-27
PCT/JP2019/018046 WO2019208801A1 (fr) 2018-04-27 2019-04-26 Particules composites à libération prolongée, procédé de production de particules composites à libération prolongée, poudre sèche et papier peint

Publications (3)

Publication Number Publication Date
EP3786231A1 EP3786231A1 (fr) 2021-03-03
EP3786231A4 EP3786231A4 (fr) 2021-06-09
EP3786231B1 true EP3786231B1 (fr) 2026-07-22

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Country Status (5)

Country Link
US (1) US12075775B2 (fr)
EP (1) EP3786231B1 (fr)
JP (1) JP7409302B2 (fr)
CN (1) CN112313289A (fr)
WO (1) WO2019208801A1 (fr)

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JP7067246B2 (ja) * 2018-04-27 2022-05-16 凸版印刷株式会社 複合粒子、複合粒子の製造方法および乾燥粉体
JP7342350B2 (ja) * 2018-10-12 2023-09-12 凸版印刷株式会社 皮膚塗布用組成物および皮膚塗布用組成物の製造方法
WO2020170995A1 (fr) * 2019-02-19 2020-08-27 凸版印刷株式会社 Particules composites, composition de particules composites et procédé de production de composition de particules composites
JP7601352B2 (ja) * 2019-07-01 2024-12-17 Ｔｏｐｐａｎホールディングス株式会社 複合粒子の製造方法
JP7424098B2 (ja) * 2020-02-20 2024-01-30 Ｔｏｐｐａｎホールディングス株式会社 道路舗装用組成物および成形体
JP7581650B2 (ja) * 2020-04-21 2024-11-13 Ｔｏｐｐａｎホールディングス株式会社 複合粒子および複合粒子の製造方法
JP7752869B2 (ja) * 2020-05-14 2025-10-14 学校法人福岡大学 セルロースナノファイバーカプセルの製造方法
CN113304702B (zh) * 2021-02-23 2023-05-26 闽南师范大学 一种砂仁精油微胶囊的制备方法
CA3213138A1 (fr) * 2021-03-12 2022-09-15 Huntsman International Llc Particule d'engrais a liberation controlee submersible dans l'eau
EP4094827A1 (fr) * 2021-05-27 2022-11-30 Takasago International Corporation Dispersion aqueuse de microcapsules et leurs utilisations
JP2023021630A (ja) * 2021-08-02 2023-02-14 凸版印刷株式会社 複合粒子および複合粒子の製造方法
CN114712566B (zh) * 2022-04-22 2023-04-21 华南理工大学 基于Pickering乳液的PCL/GelMA生物多孔支架及其制备方法
JP7497484B1 (ja) 2023-03-30 2024-06-10 ユシロ化学工業株式会社 組成物
CN120698610B (zh) * 2025-07-09 2026-07-28 嘉兴沃特泰科环保科技股份有限公司 一种制备藻菌好氧颗粒污泥的方法

Family Cites Families (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319345B2 (fr) * 1974-05-17 1978-06-20
DE3875749T3 (de) 1987-01-28 2000-02-10 Kao Corp., Tokio/Tokyo Verfahren zur Herstellung einer absorbierenden Zusammensetzung
JPH09208494A (ja) 1995-11-30 1997-08-12 Kanebo Ltd 微粒子製剤
JPH107704A (ja) * 1996-06-25 1998-01-13 Origin Electric Co Ltd 樹脂粒子、その製造方法、樹脂粒子を用いた塗料及び 化粧品
JPH10237220A (ja) 1996-12-24 1998-09-08 Asahi Chem Ind Co Ltd 水性懸濁状組成物及び水分散性乾燥組成物
EP0930334A1 (fr) 1998-01-16 1999-07-21 Quest International B.V. Conjugué de polysaccharide capable de se lier à la cellulose
JP2913093B1 (ja) 1998-04-22 1999-06-28 大塚化学株式会社 消臭剤
ES2157731B1 (es) * 1998-07-21 2002-05-01 Liconsa Liberacion Controlada Preparacion farmaceutica oral de un compuesto de actividad antifungica y procedimiento para su preparacion.
JP2000198858A (ja) * 1998-11-05 2000-07-18 Mitsui Chemicals Inc 架橋ポリアミノ酸含有粒子
JP4635292B2 (ja) 2000-04-04 2011-02-23 東レ株式会社 ポリ乳酸系樹脂粉末およびその製法、並びにそれによって得られる接着剤
JP3827992B2 (ja) 2001-11-07 2006-09-27 花王株式会社 粒子及びその製法
BRPI0411882A (pt) * 2003-06-27 2006-08-29 Otsuka Pharma Co Ltd partìculas de liberação prolongada de medicamentos e método para preparar as mesmas
JP4261403B2 (ja) * 2004-03-29 2009-04-30 積水化成品工業株式会社 多孔質樹脂粒子の製造方法
JP4328264B2 (ja) 2004-06-18 2009-09-09 日本エンバイロケミカルズ株式会社 木材保存剤
JP2007217557A (ja) 2006-02-16 2007-08-30 Nippon Soda Co Ltd 重合溶媒の精製方法および重合方法
US20100240806A1 (en) 2006-05-23 2010-09-23 Tetsuo Kondo Materials containing polyactic acid and cellulose fibers
JP4998981B2 (ja) 2006-06-20 2012-08-15 国立大学法人 東京大学 微細セルロース繊維
JP4919264B2 (ja) 2006-06-29 2012-04-18 国立大学法人京都大学 繊維樹脂複合材料
KR100764625B1 (ko) 2006-12-15 2007-10-08 재단법인서울대학교산학협력재단 라디칼 매개 분산 중합을 이용한 은 나노 입자 함유 고분자나노 섬유 제조 방법
WO2009112836A2 (fr) 2008-03-12 2009-09-17 Syngenta Limited. Formules d'émulsions de pickering
JP2010180309A (ja) 2009-02-04 2010-08-19 Univ Of Tokyo キチンナノファイバーとその製造方法、キチンナノファイバー分散液、ナノフィブリル構造体、及びキチン複合体
WO2010095574A1 (fr) 2009-02-18 2010-08-26 国立大学法人 九州大学 Complexe comprenant des nanofibres de cellulose et des nanoparticules metalliques, et leur procede de production
JP5500842B2 (ja) 2009-03-13 2014-05-21 国立大学法人京都大学 セルロースナノファイバーの製造方法
CN102652154B (zh) 2009-12-11 2016-08-24 花王株式会社 复合材料
JP5923370B2 (ja) * 2011-06-07 2016-05-24 花王株式会社 樹脂改質用添加剤及びその製造方法
WO2013042654A1 (fr) 2011-09-22 2013-03-28 凸版印刷株式会社 Composition pour moulage de film, laminé, film, substrat de feuille, matériau d'emballage, procédé pour produire une composition pour moulage de film, et procédé pour produire une dispersion de cellulose
JP5838868B2 (ja) 2012-03-08 2016-01-06 コニカミノルタ株式会社 セルロースナノファイバーフィルム
US9480704B2 (en) * 2012-03-21 2016-11-01 Cosmederm Bioscience, Inc. Topically administered strontium-containing complexes for treating pain, pruritis and inflammation
US9693962B2 (en) * 2012-06-05 2017-07-04 Takeda Pharmaceutical Limited Dry-coated tablet
KR20150040308A (ko) 2012-07-31 2015-04-14 허큘레스 인코포레이티드 안정화된 다상 수성 조성물
JP6168401B2 (ja) 2012-07-31 2017-07-26 東レ株式会社 ポリ乳酸系樹脂微粒子およびそれを用いてなる分散液、ならびにポリ乳酸系樹脂微粒子の製造方法
WO2014088072A1 (fr) 2012-12-07 2014-06-12 日本製紙株式会社 Fibre de cellulose carboxyméthylée
JP6248511B2 (ja) 2013-09-30 2017-12-20 凸版印刷株式会社 増粘発色抗菌剤およびその製造方法並びにパーソナルケア製品用組成物
EP3052084A1 (fr) * 2013-09-30 2016-08-10 Universiteit Gent Polyuréthanes en tant que plate-forme d'administration de médicament par voie orale
CN103665398B (zh) 2013-12-15 2015-12-09 桂林理工大学 可完全生物降解和生物相容的复合微球的制备方法
EP3135696B1 (fr) 2014-04-25 2018-12-12 Sekisui Plastics Co., Ltd. Particules composites, procédé de production de particules composites et leur utilisation
JP2015218159A (ja) * 2014-05-21 2015-12-07 凸版印刷株式会社 抗菌性組成物、積層体、及び成形体
BR112017010817A2 (pt) 2014-11-24 2018-01-09 Harvard College composições compreendendo ativos encapsulados no interior de gotículas e outros compartimentos
CN104610703B (zh) 2015-01-22 2017-01-18 清华大学 一种微放电缺陷光致自修复的电气绝缘层材料的制备方法
US20160235776A1 (en) * 2015-02-13 2016-08-18 Cadila Healthcare Limited Sustained-release compositions comprising topiramate and an alkalizer
JP6612038B2 (ja) 2015-02-23 2019-11-27 日本製紙株式会社 複合体の製造方法
CN105642345B (zh) 2015-04-03 2018-08-10 江苏大学 一种疏水多级孔固体酸碱双功能催化剂的制备方法
JP6870937B2 (ja) 2015-08-28 2021-05-12 トッパン・フォームズ株式会社 マイクロカプセル及び液状組成物
JP6565535B2 (ja) 2015-09-24 2019-08-28 日本製紙株式会社 複合体の製造方法
KR20180063076A (ko) 2015-09-30 2018-06-11 세키스이가세이힝코교가부시키가이샤 다공질 수지 미립자 및 그 제조 방법
JP6308531B2 (ja) 2015-12-16 2018-04-11 第一工業製薬株式会社 皮膚外用剤
JP6629590B2 (ja) 2015-12-21 2020-01-15 株式会社ファンケル ジェル状化粧料
JP6858330B2 (ja) 2016-02-26 2021-04-14 独立行政法人国立高等専門学校機構 抗ウイルス性素材
JP6703432B2 (ja) 2016-04-01 2020-06-03 日揮触媒化成株式会社 多孔質シリカ系粒子、及び洗浄用化粧料
JP6848203B2 (ja) 2016-04-20 2021-03-24 昭和電工マテリアルズ株式会社 分離材及びカラム
KR20170123099A (ko) 2016-04-28 2017-11-07 주식회사 한국비엔씨 폴리카프로락톤 및 히알루론산을 포함하는 피부용 필러 조성물
JP6942737B2 (ja) 2016-06-20 2021-09-29 エフピーイノベイションズ セルロースフィラメント安定化ピッカリングエマルジョン
US10273468B2 (en) * 2016-06-24 2019-04-30 Washington University Inhibition and diagnostics of emerging tetracycline resistance enzymes
WO2018110245A1 (fr) 2016-12-16 2018-06-21 住友化学株式会社 Latex, résine contenant des nanofibres de cellulose, corps moulé et procédés de production de ceux-ci
JP6585646B2 (ja) 2017-02-28 2019-10-02 エネックス株式会社 複合粒子
CN107412193A (zh) 2017-03-29 2017-12-01 华南理工大学 以麦羟硅钠石为乳化剂的Pickering乳液模板法制备的纳米杂化药物载体及其制法
CN107129585B (zh) 2017-05-02 2020-07-24 佛山今兰生物科技有限公司 一种以微纳米生物活性玻璃作为Pickering乳液稳定粒子制备聚合物微球的方法
CN107141387A (zh) 2017-05-02 2017-09-08 鲁东大学 一种可控自由基皮克林乳液聚合制备聚合物的方法
JP6904563B2 (ja) 2017-08-25 2021-07-21 国立研究開発法人森林研究・整備機構 複合粒子の製造方法とその製造方法で得られる複合粒子
JP2019073669A (ja) 2017-10-19 2019-05-16 ユーエムジー・エービーエス株式会社 セルロースナノファイバーを含む紛体物、該粉体物を含む熱可塑性樹脂組成物およびその成形品
CN107823145A (zh) * 2017-11-22 2018-03-23 天津双硕医药科技有限公司 一种注射用伊潘立酮plga微球及制备工艺
CN107868161B (zh) * 2017-12-07 2020-06-05 张振 一种聚合物空心微胶囊的制备方法和其应用
EP3736297B1 (fr) * 2018-01-05 2024-10-16 Toppan Printing Co., Ltd. Particules composites, procédé de production de particules composites, poudre sèche et composition de résine pour moulage
JPWO2019151486A1 (ja) 2018-02-01 2021-01-14 日産化学株式会社 機能性多糖粒子

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